Patents by Inventor Claudio Dolza

Claudio Dolza has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pipe laying machines
    Patent number: 4050589
    Abstract: A pipe laying machine for laying large diameter pipes such as gas and oil pipelines, comprising a pair of self-propelled trucks carrying frames supporting a bridge which is adjustable in span and inclination and which carries a lifting device drivable across the bridge.
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: September 27, 1977
    Inventor: Claudio Dolza
  • Method and apparatus for laying pipelines
    Patent number: 3969905
    Abstract: Method and apparatus for laying pipelines wherein a number of operating trolleys running on the bottom of an excavation are powered from service vehicles running on a service path to the side of the excavation to enable said operating trolleys to position and connect additional pipeline lengths before advancing to deposit the completed pipeline on the excavation bottom.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: July 20, 1976
    Inventor: Claudio Dolza